摘要：
namespace JD; public class JDTest{ public static void Show() { int[] arr = {1,2,3,4,5,6,7}; var root = BuildTree2(arr,0,arr.Length-1); var stack = new 阅读全文
摘要：
Stack<int> stack = new Stack<int>(); int temp = 0; HS(92); void HS(int i) { if(i == 100) return; stack.Push(i); Console.WriteLine($"回溯前i:{i}"); HS(i+1 阅读全文